External housing for LED-based linear lighting apparatus



FIG. 1 is a top perspective view of the external housing of an LED-based linear lighting apparatus showing the new design;

FIG. 2 is a bottom perspective view thereof.

FIG. 3 is a front view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a top view thereof. 

The ornamental design for an external housing of an LED-based linear lighting apparatus, as shown and described. 